XC9235C32DMR-G

Voltage Regulators - DC DC Switching Regulators Overview

The XC9235C32DMR-G is a synchronous step-down DC/DC converter manufactured by Torex Semiconductor. It provides a fixed positive output voltage of 3.2V with a maximum output current capability of 600mA. The device operates within an input voltage range of 2V to 6V and utilizes a buck topology. Key electrical parameters include a switching frequency of 1.2MHz and a typical quiescent current of 15uA. It is housed in a compact SOT-25-5 (SC-74A) surface-mount package and supports an operating temperature range from -40°C to +85°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Synchronous rectification architecture for improved conversion efficiency
• Fixed output voltage configuration eliminating external resistor divider requirements
• Compact footprint design suitable for space-constrained portable applications

Voltage Regulators - DC DC Switching Regulators Applications

• Portable electronic devices requiring stable low-voltage power rails
• Battery-powered systems utilizing single-cell lithium-ion or lithium-polymer sources
• Embedded circuits needing efficient step-down regulation from 3.3V or 5V buses

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'DMR-G' against official Torex documentation to confirm the SOT-25-5 package and 3.2V fixed output variant. Ensure compatibility with your PCB footprint, as this part uses the SC-74A/SOT-753 outline. Cross-reference the RoHS compliance status and lead times directly with authorized distributors or the manufacturer, as supply chain conditions vary. Confirm that the 600mA load requirement aligns with your thermal management capabilities within the specified operating temperature range.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 3.2V output is required without external programming resistors. It is appropriate for designs prioritizing high efficiency at moderate loads due to its synchronous topology. Consider the 1.2MHz switching frequency for balancing EMI performance and passive component size. Ensure the input voltage source remains within the 2V to 6V window to maintain proper regulation and avoid dropout or overvoltage stress on internal components.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the XC9235 series of synchronous step-down converters from Torex Semiconductor. The series is characterized by high efficiency and low standby current, targeting battery-operated equipment. The XC9235C32DMR-G specifically denotes the C-series variant with a fixed 3.2V output in the DMR package code. This family integrates internal power switches to minimize external component count compared to non-synchronous alternatives.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct pin-to-pin replacements within the same series include XC9235C33DMR-G (3.3V output) or XC9235C12DMR-G (1.2V output), provided the voltage difference is acceptable. Verify that any substitute maintains the SOT-25-5 package and synchronous buck topology to ensure circuit stability and thermal performance remain unchanged.